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Graco 161788 Replacement Piston Cup Seal

SKU: 4-342
In stock
Replacement for: Graco 161788, Graco 161-788
Piston Cup Seal
$38.94
Ships same day if order placed before 3pm EST

Ships same day if order placed on M-F before 3pm EST

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Questions? Contact our Expert, Garth

Email (914) 241-2211

This piston cup seal is a direct-fit replacement for Graco part 161788. It installs in the original position with no modification.

Common reasons this piston cup seal is replaced:

  • Leaking at the seal, gland, or mating face
  • Pressure loss during operation
  • Hardening, cracking, or flattening with age
  • Routine replacement during a pump or gun rebuild

Manufactured to OEM-equivalent dimensions for proper fit and performance. Compatible equipment models are listed in the Compatible Equipment section below, where available.

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